- Director: Billy Wilder,
- Writer: Agatha Christie, Billy Wilder, Harry Kurnitz, Lawrence B. Marcus, Noël Coward,
- StarCast: Charles Laughton, Elsa Lanchester, Henry Daniell, Ian Wolfe, John Williams, Marlene Dietrich, Norma Varden, Torin Thatcher, Tyrone Power, Una O'Connor,
- Producer: Arthur Hornblow Jr., Ben Hersh, Edward Small,
Synopsis: When Leonard Vole is arrested for the sensational murder of a rich, middle-aged widow, the famous Sir Wilfrid Robarts agrees to appear on his behalf. Sir Wilfrid, recovering from a near-fatal heart attack, is supposed to be on a diet of bland, civil suits—but the lure of the criminal courts is too much for him, especially when the case is so difficult.